Mismatch Repair by Immunohistochemistry with Reflex to MLH1 Promoter Methylation
| CPT Code(s): | 88342; 88341 x3; if reflexed add 88381; 81288 |
| Specimen Required: | Patient Preparation: Collect:Tumor tissue. Specimen Preparation:Formalin fix (10 percent neutral buffered formalin is preferred) and paraffin embed tissue. If sending precut slides, do not oven bake. Transport tissue block or 15 unstained (3-5 micron thick sections), positively charged slides in a tissue transport kit (RDL supply #47808). Available online through eSupply using RDL ConnectTM or contact RDL Client Services at (888) 431-7474. (Min: 7 slides). Protect paraffin block and/or slides from excessive heat. Storage/Transport Temperature:Room temperature or refrigerated. Ship in cooled container during summer months. Stability:Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable |
| New York DOH Approval Status: | This test is New York DOH approved. |
| Aliases: |
